About the Authors

Timothy Simmons

Affiliation Department of Biological Sciences, Vanderbilt University, Nashville, Tennessee, United States of America

Bruce Appel

Bruce.Appel@UCDenver.edu

Affiliation Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TS BA. Performed the experiments: TS. Analyzed the data: TS BA. Contributed reagents/materials/analysis tools: TS BA. Wrote the paper: TS BA.